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In page World community:

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The formal implementation of this plan, known as 'Abdu'l-Baha's Divine Plan, began in 1937 in the first of a series of sub-plans, the Seven Year Plan of 1937 to 1944.[2] Shoghi Effendi, the leader of the Baha'i community until 1957 and then the Universal House of Justice from 1963, were instrumental in the organization and design of future sub-plans. This led to the creation and establishment of a world community, with members of the faith estimated to have reached 5 to 6 million in the early 21st century, while also being the second most geographically widespread religion in the world.[3]